Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income	$ 1,084	$ 1,202
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	1,639	1,591
Allowance for equity during construction	(76)	(65)
Impairment and other	60	22
Deferred income taxes and investment tax credits	133	77
Other	48	17
Nuclear decommissioning trusts	(86)	(117)
Changes in operating assets and liabilities:
Receivables	(325)	(387)
Inventory	(25)	10
Accounts payable	20	(11)
Tax receivables and payables	137	(128)
Other current assets and liabilities	(424)	(40)
Regulatory assets and liabilities, net	213	560
Other noncurrent assets and liabilities	(127)	(33)
Net cash provided by operating activities	2,271	2,698
Cash flows from financing activities:
Long-term debt issued or remarketed, net of discount and issuance costs	3,237	2,236
Long-term debt matured	(654)	(1,182)
Preference stock issued, net	0	463
Preference stock redeemed	0	(475)
Short-term debt financing, net	(2,228)	(401)
Payments for stock-based compensation	(37)	(365)
Receipts from stock option exercises	20	201
Dividends and distributions to noncontrolling interests	(96)	(100)
Dividends paid	(591)	(530)
Other	38	(23)
Net cash used in financing activities	(311)	(176)
Cash flows from investing activities:
Capital expenditures	(3,241)	(2,674)
Proceeds from sale of nuclear decommissioning trust investments	3,017	3,974
Purchases of nuclear decommissioning trust investments	(2,931)	(3,857)
Proceeds from sale of SoCore Energy, net of cash acquired by buyer	78	0
Other	64	54
Net cash used in investing activities	(3,013)	(2,503)
Net (decrease) increase in cash, cash equivalents and restricted cash	(1,053)	19
Cash, cash equivalents and restricted cash at beginning of period	1,132	114
Cash, cash equivalents and restricted cash at end of period	79	133
Southern California Edison Company
Cash flows from operating activities:
Net income	1,210	1,215
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	1,632	1,581
Allowance for equity during construction	(76)	(65)
Impairment and other	(10)	0
Deferred income taxes and investment tax credits	108	337
Other	43	9
Nuclear decommissioning trusts	(86)	(117)
Changes in operating assets and liabilities:
Receivables	(337)	(389)
Inventory	(25)	11
Accounts payable	2	(16)
Tax receivables and payables	80	(146)
Other current assets and liabilities	(412)	(36)
Regulatory assets and liabilities, net	213	560
Other noncurrent assets and liabilities	(84)	(143)
Net cash provided by operating activities	2,258	2,801
Cash flows from financing activities:
Long-term debt issued or remarketed, net of discount and issuance costs	2,692	1,445
Long-term debt matured	(639)	(781)
Preference stock issued, net	0	463
Preference stock redeemed	0	(475)
Short-term debt financing, net	(1,137)	(441)
Payments for stock-based compensation	(16)	(80)
Receipts from stock option exercises	8	45
Dividends paid	(570)	(481)
Other	2	(34)
Net cash used in financing activities	340	(339)
Cash flows from investing activities:
Capital expenditures	(3,223)	(2,610)
Proceeds from sale of nuclear decommissioning trust investments	3,017	3,974
Purchases of nuclear decommissioning trust investments	(2,931)	(3,857)
Other	63	52
Net cash used in investing activities	(3,074)	(2,441)
Net (decrease) increase in cash, cash equivalents and restricted cash	(476)	21
Cash, cash equivalents and restricted cash at beginning of period	515	40
Cash, cash equivalents and restricted cash at end of period	$ 39	$ 61